21550401

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2287}}^1$

素因数の和:2645

約数の個数: 16

約数和(自身を含む): 32032000

約数和(自身を除く): 10481599

約数列:

[1, 3, 9, 27, 349, 1047, 2287, 3141, 6861, 9423, 20583, 61749, 798163, 2394489, 7183467, 21550401]

約数ペア:

[(1, 21550401), (3, 7183467), (9, 2394489), (27, 798163), (349, 61749), (1047, 20583), (2287, 9423), (3141, 6861)]